An electrical box assembly including an electrical box with an integral siding block and a collapsible cover assembly. The collapsible cover assembly includes a frame member and a while-in-use cover plate. The cover assembly includes cord openings that enable closing of the cover plate while electrical cords are connected to electrical outlets within the electrical box. When desired, the cover assembly may be collapsed upon the electrical box to lower the profile of the electrical box assembly in order to limit the distance the assembly extends from the wall.